.mastheadbg(@bgColor) {
    background:
        -webkit-radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 0 0,
        -webkit-radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 16px 16px,
        -webkit-radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 0 -1px,
        -webkit-radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 16px 15px,
        -webkit-radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 0 1px,
        -webkit-radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 16px 17px;
    background:
           -moz-radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 0 0,
           -moz-radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 16px 16px,
           -moz-radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 0 -1px,
           -moz-radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 16px 15px,
           -moz-radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 0 1px,
           -moz-radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 16px 17px;
    background:
           -ms-radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 0 0,
           -ms-radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 16px 16px,
           -ms-radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 0 -1px,
           -ms-radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 16px 15px,
           -ms-radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 0 1px,
           -ms-radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 16px 17px;
    background:
            -o-radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 0 0,
            -o-radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 16px 16px,
            -o-radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 0 -1px,
            -o-radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 16px 15px,
            -o-radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 0 1px,
            -o-radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 16px 17px;
    background:
               radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 0 0,
               radial-gradient(darken(@bgColor, 3%)    25%, transparent 26%) 16px 16px,
               radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 0 -1px,
               radial-gradient(rgba(0, 0, 0, .2)       25%, transparent 26%) 16px 15px,
               radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 0 1px,
               radial-gradient(rgba(255, 255, 255, .1) 25%, transparent 26%) 16px 17px;

    -webkit-background-size: 32px 30px;
       -moz-background-size: 32px 30px;
        -ms-background-size: 32px 30px;
         -o-background-size: 32px 30px;
            background-size: 32px 30px;

    background-color: @bgColor;
}

.masthead {
    position: relative;
    padding: 40px 0;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,.4), 0 0 30px rgba(0,0,0,.1);
    .mastheadbg(darken(@mongoGreen, 10%));
    .box-shadow(~"inset 0 3px 7px rgba(0,0,0,.2), inset 0 -3px 7px rgba(0,0,0,.2)");
    .container {
        position: relative;
        z-index:  2;
    }
    &:after {
        content: '';
        display: block;
        position: absolute;
        top:    0;
        right:  0;
        bottom: 0;
        left:   0;
        #gradient > .horizontal(rgba(0,0,0,.5), rgba(255,255,255,.01));
    }

    h1 {
        font-size: 60px;
        font-weight: bold;
        letter-spacing: -1px;
        line-height: 1;
    }
    p {
        font-size: 24px;
        line-height: 1.25;
        margin-bottom: 20px;
        font-weight: 300;
    }

    &.epic {
        text-align: center;
        padding: 70px 80px;
        h1 {
            font-size: 120px;
        }
        h2 {
            font-size: 80px;
        }
        p {
            font-size: 40px;
            font-weight: 200;
            margin-bottom: 30px;
        }
    }

    &.error { .mastheadbg(darken(@errorText, 10%)); }
    &.muted { .mastheadbg(@grayDark);               }
}